﻿namespace rpc_service.util;

public class StringUtil
{
    public static string LowerFirstCharAsync(string s)
    {
        if (string.IsNullOrEmpty(s))
        {
            return s;
        }

        char[] arr = s.ToCharArray();
        arr[0] = char.ToLower(arr[0]);
        return new string(arr);
    }
}